CVE-2023-4236
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-4236
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4236.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2023-4236
- Downstream
- Related
- Published
- 2023-09-20T13:15:12.313Z
- Modified
- 2025-11-20T12:21:03.459635Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
A flaw in the networking code handling DNS-over-TLS queries may cause
namedto terminate unexpectedly due to an assertion failure. This happens when internal data structures are incorrectly reused under significant DNS-over-TLS query load. This issue affects BIND 9 versions 9.18.0 through 9.18.18 and 9.18.11-S1 through 9.18.18-S1. - References
-
- http://www.openwall.com/lists/oss-security/2023/09/20/2
- https://kb.isc.org/docs/cve-2023-4236
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSK5V4W4OHPM3JTJGWAQD6CZW7SFD75B/
- https://security.netapp.com/advisory/ntap-20231013-0004/
- https://www.debian.org/security/2023/dsa-5504
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IPJLLTJCSDJJII7IIZPLTBQNWP7MZH7F/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U35OARLQCPMVCBBPHWBXY5M6XJLD2TZ5/